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Inventory (Details) - USD ($)
Mar. 31, 2016
Dec. 31, 2015
Schedule of Inventory, current    
Ore on leach pad $ 2,463,599 $ 2,404,657
Carbon column in process 197,051 144,512
Dore finished goods 5,789 4,638
Total $ 2,666,439 $ 2,553,807